What is defined as a global domain consisting of interdependent networks of technology infrastructures?

The correct answer is defined as a global domain consisting of interdependent networks of technology infrastructures. This definition aligns perfectly with the term "cyberspace," which encompasses the vast array of interconnected networks and systems that include the internet, telecommunications networks, computer systems, and even the devices that utilize these services.

Cyberspace is where digital interactions take place, involving not just the hardware and software but also the data that flows through these networks. Understanding cyberspace is crucial for various military and civilian applications, as it represents a critical operational environment that can be exploited for strategic advantages or can also be targeted by adversaries.

In contrast to the other options, electronic warfare specifically refers to the military action involving the use of electromagnetic energy to control the electromagnetic spectrum. Information technology focuses on the use, development, and management of computer-based information systems and does not encompass the broader interdependent networks implied in the definition. Mission command is a military philosophy that involves empowering subordinate leaders to make decisions, which is not related to the global network concept described. Thus, "cyberspace" is the most accurate term for the interconnected technology infrastructures as defined in the question.